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Finding the Fourth Proportional to 7,710.08, 10,590.16 and 7,562.48

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Solution

The fourth proportional to 7,710.08, 10,590.16 and 7,562.48 is: 10,387.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,710.08 : 10,590.16 = 7,562.48 : x
  2. Step 2: Convert to fraction form
    7,710.08/10,590.16 = 7,562.48/x
  3. Step 3: Cross multiply
    7,710.08x = 10,590.16 × 7,562.48
  4. Step 4: Simplify right side
    7,710.08x = 80,087,873.20
  5. Step 5: Solve for x
    x = 80,087,873.20/7,710.08
  6. Step 6: Final answer
    x = 10,387.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.